Yearly Archives: 2019

Denverrite.com: Property crime increased where Denver pot shops popped up

A study released Wednesday in the Justice Evaluation Journal links an increase in nonviolent crime in Denver with the legalization of marijuana. The study looked at crime rates from 2011 to 2016 on 187 blocks where dispensaries opened following legalization. Blocks with recreational dispensaries saw an 18 percent increase in property crime when compared toContinue reading “Denverrite.com: Property crime increased where Denver pot shops popped up”

Chicago Tribune: Serious crime has doubled on Chicago’s ‘L’ system, despite the CTA adding thousands of security cameras

Reports of serious crimes on the CTA rail system have doubled since 2015 even as ridership declined and such crimes rose only slightly citywide, according to a Tribune analysis of Chicago police data. At the same time, the arrest rate for these “L”-related crimes has dropped, suggesting that even as CTA’s rail system has becomeContinue reading “Chicago Tribune: Serious crime has doubled on Chicago’s ‘L’ system, despite the CTA adding thousands of security cameras”

Detektor TV: Eric Piza on how video surveillance can prevent crime

Eric Piza: “Video surveillance can prevent crime”. Video surveillance can prevent crime, and not just in car parks, according to Eric Piza, criminologist and Associate Professor at John Jay College in New York. In this Detektor TV video clip he says: “The manner in which the police use cameras largely depends on how effective theContinue reading “Detektor TV: Eric Piza on how video surveillance can prevent crime”

C|NET: Amazon Ring Alerts Often Tie Up Police with False Alarms

In May, police in Hammond, Indiana, got a suspicious-person alert from a concerned resident. She could see a man, she told officers, through her Ring smart doorbell. The resident had already sent police another message, along with footage from her internet-connected video doorbell, about an earlier incident. Now the resident was even more frightened, havingContinue reading “C|NET: Amazon Ring Alerts Often Tie Up Police with False Alarms”

The Post and Courier: When SC Residents are Afraid to Call the Police, Technology Alerts Officers of Gunshots

At 12:50 a.m. June 17, the sound of gunshots rips through a neighborhood in northern Columbia. A sensor relay picks up the sound waves, triangulating their origin — 5118-2 Mauldin Ave. Alerts are sent to officers, who converge on the scene, according to a police report. They recover seven shell casings from a .22-caliber firearm.Continue reading “The Post and Courier: When SC Residents are Afraid to Call the Police, Technology Alerts Officers of Gunshots”

Risk Terrain Modeling: Seasonality and Predictive Validity

Szkola, J., Piza, E. and Drawve, G. (2021) Justice Quarterly, 38(2): 322-343 Published ArticleOpen Access Post Print Abstract: This study focuses on crimes involving firearms in Baltimore, Maryland to answer three research questions concerning the effect of seasonality: 1) Do changes in the seasons affect which spatial factors are significantly related to crime?; 2) DoesContinue reading “Risk Terrain Modeling: Seasonality and Predictive Validity”